If the problem still persists then format the disk using Disk Utility tool and restore your files from recent updated backup If the backup of the lost data is not available or updatedthen use a Mac Data Recovery application to retrieve your lost data after the corruption of journal file

Add punctuation.
If the problem still persists, then format the disk using “Disk Utility” tool and restore your files from recent updated backup. If the backup of the lost data is not available or updated,then use a Mac Data Recovery application to retrieve your lost data after the corruption of journal file.